Home / 9,196,449.10-12,690,146.94-5,663,686.78

Finding the Fourth Proportional to 9,196,449.10, 12,690,146.94 and 5,663,686.78

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Solution

The fourth proportional to 9,196,449.10, 12,690,146.94 and 5,663,686.78 is: 7,815,300.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,196,449.10 : 12,690,146.94 = 5,663,686.78 : x
  2. Step 2: Convert to fraction form
    9,196,449.10/12,690,146.94 = 5,663,686.78/x
  3. Step 3: Cross multiply
    9,196,449.10x = 12,690,146.94 × 5,663,686.78
  4. Step 4: Simplify right side
    9,196,449.10x = 71,873,017,460,335.45
  5. Step 5: Solve for x
    x = 71,873,017,460,335.45/9,196,449.10
  6. Step 6: Final answer
    x = 7,815,300.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.